The first level is really awesome, I love'd that tension of being an on-looker with alyx as some **** was going down. Having to make sure nothing fell off the ledge as you walked was awesome too. Super impressive stuff, even for the fact that it has voice acting, as most mods have either none or pretty poor quality voice work that makes you wish it wasn't there at all.

extract the Airborn folder from the rar, into the "unreal tournament 3" folder, not the binaries, or UT game folders. Then go to steam and create the UT3.exe shortcut like they explain in the readme. then right click on it and select "properties." In the properties window, there should be a field called "target." erase it and instead of it type in the destination of your steam folder such as "E:\"

So, if your steam folder is right on on the "E" drive, your target field should read something like this: